/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jbpm.process.core.context.swimlane;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.jbpm.process.core.Context;
import org.jbpm.process.core.context.AbstractContext;

public class SwimlaneContext extends AbstractContext {

    private static final long serialVersionUID = 510l;

    public static final String SWIMLANE_SCOPE = "SwimlaneScope";

    private Map<String, Swimlane> swimlanes = new HashMap<>();

    public String getType() {
        return SWIMLANE_SCOPE;
    }

    public void addSwimlane(Swimlane swimlane) {
        this.swimlanes.put(swimlane.getName(), swimlane);
    }

    public Swimlane getSwimlane(String name) {
        return this.swimlanes.get(name);
    }

    public void removeSwimlane(String name) {
        this.swimlanes.remove(name);
    }

    public Collection<Swimlane> getSwimlanes() {
        return new ArrayList<>(swimlanes.values());
    }

    public void setSwimlanes(Collection<Swimlane> swimlanes) {
        this.swimlanes.clear();
        for (Swimlane swimlane : swimlanes) {
            addSwimlane(swimlane);
        }
    }

    public Context resolveContext(Object param) {
        if (param instanceof String) {
            return getSwimlane((String) param) == null ? null : this;
        }
        throw new IllegalArgumentException(
                "Swimlanes can only resolve swimlane names: " + param);
    }

}
